1947 Allard J1 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 60 year(s). Which means there will be less support and parts availability for 1947 Allard J1. In addition, the cost of maintenance, including insurance, on 1947 Allard J1 would be higher. At 3,620 cc (8 cylinders), 1947 Allard J1 is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (148 HP @ 4000 RPM) has 63 more horse power than 1947 Allard J1. (85 HP @ 3800 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 1947 Allard J1. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 378 kg more than 1947 Allard J1. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1947 Allard J1 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1947 Allard J1. However, in wet, icy, snow, or gravel driving conditions, 2007 Opel Astra, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 Opel Astra (320 Nm @ 2000 RPM) has 117 more torque (in Nm) than 1947 Allard J1. (203 Nm @ 1500 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1947 Allard J1.
Compare all specifications:
| 1947 Allard J1 | 2007 Opel Astra | |
| Make | Allard | Opel |
| Model | J1 | Astra |
| Year Released | 1947 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3620 cc | 1910 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 148 HP |
| Engine RPM | 3800 RPM | 4000 RPM |
| Torque | 203 Nm | 320 Nm |
| Torque RPM | 1500 RPM | 2000 RPM |
| Engine Bore Size | 77.8 mm | 82 mm |
| Engine Stroke Size | 95.3 mm | 90.4 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1020 kg | 1398 kg |
| Vehicle Length | 3690 mm | 4300 mm |
| Vehicle Width | 1480 mm | 1760 mm |
| Vehicle Height | 1510 mm | 1440 mm |
| Wheelbase Size | 2440 mm | 2620 mm |
